MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the URLs and the detection names imply a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9899
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://nomylo.ru/uplcv?utm_term=another+word+for+cheating+in+marriage
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2ee0239a4---33991762382.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5d9c2a474---zurulinukaxudaje.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/ac6541b198c0ff947c14b0335e2ca8b8/supodalavigujapaludaraxe.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160767af758683---walewosebaxaba.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a38d45eeb1c---dipukugobopov.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/320eba1fa30a8cac01f2a89a5137d3d6/ritarafipirifiporudiwaziv.pdf
- http://doo-san.com/userfiles/file/20210518075705.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b8f4da3c24e---wovetuzun.pdf
- http://bhk-aindling.com/userfiles/files/75635974229.pdf
- http://autoscuolavalerio.it/userfiles/files/44371620093.pdf
- http://coming-c.com/userfiles/file/dijixosinewoxozipo.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/90e8639e251fa224f2f6e854d50b6c70/doboduf.pdf
- https://amblamy.ee/upload/file/xarutiworowu.pdf
- https://manualismedicina.hu/fileok/file/wupid.pdf
- http://ajtoablakcentrum.com/_user/file/78569697028.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/51b66018152d5ae4eb4245dabf37c637/zaxipupuwivaretesok.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f8f21d2b25---49066363795.pdf
- http://dok-vo.ru/userfiles/file/28136190265.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/q9mi5dl0p465tmcaqhqfvn4da6/puzamodijesedagonapuf.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607517c46cfca---jozix.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/4d183a33786e84742de9434d278532bc/dilugutodojubu.pdf
- http://iphysiology.ru/upload/lirotov.pdf
- http://rioairporttransfer.com/ckfinder/userfiles/files/66091641103.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001413e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1413E | 16792 bytes |
font_01_sfnt_off0001594f.bind77da67ec9bd2f7f1f833206c936be01ce59259f3dfd56986ed594f8164c13ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1594F | 17420 bytes |
font_02_sfnt_off00017398.binf84adb6b2d77eef3b3d847690f192bee0c579364e0e3cc9f2f1a78bbe1bc7b99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17398 | 10776 bytes |
font_03_sfnt_off00018c18.bin558b8d21aef5e70df59ff740e9f1d2db8517079e4707c46aa0e255f8a92e77ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C18 | 16928 bytes |
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